Part 2 has a note saying that the first part was printed separately in January 1892, and that the remainder began to be printed in July.  This doesn't give an end date, though.

On Thu, Jul 2, 2020 at 5:23 AM Marien Faber <[log in to unmask]> wrote:
Probably of no use, but for the record: vol 3 part III is dated March 1895 on the front wrapper and title page, but April 17, 1895 on the last text page. Perhaps something similar can be observed in the preceding part.


From: Conchologists List <[log in to unmask]> on behalf of David Campbell <[log in to unmask]>
Sent: Monday, June 29, 2020 11:07:33 PM
To: [log in to unmask] <[log in to unmask]>
Subject: [CONCH-L] another date to check - Dall Contributions to the Tertiary Fauna of Florida...
 
Does anyone know of a published collation of dates for the Transactions of the Wagner Free Institute of Science, vol. 3?  I've found a note suggesting that the actual publication date for no. 2 is a bit later than currently accepted.  

--
Dr. David Campbell
Associate Professor, Geology
Department of Natural Sciences
Box 7270
Gardner-Webb University
Boiling Springs NC 28017
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--
Dr. David Campbell
Associate Professor, Geology
Department of Natural Sciences
Box 7270
Gardner-Webb University
Boiling Springs NC 28017
---------------------------------------------------------------------- [log in to unmask] - a forum for informal discussions on molluscs To leave this list, click on the following web link: http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1 Type your email address and name in the appropriate box and click leave the list. ----------------------------------------------------------------------